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Finding the Fourth Proportional to 10,591.70, 14,615.04 and 6,341.75

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Solution

The fourth proportional to 10,591.70, 14,615.04 and 6,341.75 is: 8,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,591.70 : 14,615.04 = 6,341.75 : x
  2. Step 2: Convert to fraction form
    10,591.70/14,615.04 = 6,341.75/x
  3. Step 3: Cross multiply
    10,591.70x = 14,615.04 × 6,341.75
  4. Step 4: Simplify right side
    10,591.70x = 92,684,966.46
  5. Step 5: Solve for x
    x = 92,684,966.46/10,591.70
  6. Step 6: Final answer
    x = 8,750.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.